A History of Crustacea: Recent MalacostracaD. Appleton, 1893 - 466 pagini |
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Pagina xii
... spines , in the other Idenuded of them . De Haan PLATE VII . To face p . 169 . Birgus latro ( Linnæus ) . Desmarest Tylaspis anomala , Henderson . Challenger Anomura Pylocheles spinosus , Henderson . Challenger Anomura Porcellana ...
... spines , in the other Idenuded of them . De Haan PLATE VII . To face p . 169 . Birgus latro ( Linnæus ) . Desmarest Tylaspis anomala , Henderson . Challenger Anomura Pylocheles spinosus , Henderson . Challenger Anomura Porcellana ...
Pagina 39
... spines between these two processes . It is not seldom surmounted by a narrow piece , commonly called its palp , which never in the Malacostraca consists of more than three joints . Very rarely , and only among the Entomostraca , one of ...
... spines between these two processes . It is not seldom surmounted by a narrow piece , commonly called its palp , which never in the Malacostraca consists of more than three joints . Very rarely , and only among the Entomostraca , one of ...
Pagina 40
... spines above noticed , and , as if to show the plasticity of nature , some- times the series of spines mimic the secondary plate . The upper and lower lip seem best to be regarded as modifications of the integument , where it is turned ...
... spines above noticed , and , as if to show the plasticity of nature , some- times the series of spines mimic the secondary plate . The upper and lower lip seem best to be regarded as modifications of the integument , where it is turned ...
Pagina 41
... spines which may assist in dividing the food . There are plumose hairs , some of which may be connected with the sense of taste . The position of these organs has also suggested that they may be useful in preventing the escape of food ...
... spines which may assist in dividing the food . There are plumose hairs , some of which may be connected with the sense of taste . The position of these organs has also suggested that they may be useful in preventing the escape of food ...
Pagina 56
... spines . The front ' is of moderate width , in general not projecting over the first antennæ and the bases of the second , the latter being seldom excluded from the inner hiatus of the orbits . In this family are included about half a ...
... spines . The front ' is of moderate width , in general not projecting over the first antennæ and the bases of the second , the latter being seldom excluded from the inner hiatus of the orbits . In this family are included about half a ...
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Termeni și expresii frecvente
adult Amphipoda animal Anomura apex appendages basal joint Beddard belong Brachyura branchiæ branchial branchial cavity Budde-Lund burrow carapace character chelate chelipeds claws crab Crustacea Cumacea Dana depth described developed distinct distinguished dorsal epipod exopod eye-stalks eyes Fabricius fathoms female fifth joint fifth pair flagella flagellum fourth joint Fritz Müller front genera genus Giard and Bonnier gnathopods Haan Herbst inch inner branch Isopoda Kröyer larvæ larval last pair Latreille Leach limbs Linn Macrura Malacostraca male mandibles margin maxillæ Mediterranean Miers Milne-Edwards Mysis narrow outer branch pair of legs pair of trunk-legs pairs of pleopods palp parasitic peduncle peræon peræopods plates pleon pleopods regions Risso rostrum rudimentary S. I. Smith Sars second antennæ second joint second maxillipeds setæ short side sixth segment slender specimens Spence Bate spines Stimpson sub-order telson terminal joint third maxillipeds three pairs three-jointed tribe trunk two-jointed type species uropods ventral
Pasaje populare
Pagina 157 - I think this is as curious a case of instinct as ever I heard of, and likewise of adaptation in structure between two objects apparently so remote from each other in the scheme of nature, as a crab and a cocoa-nut tree.
Pagina i - Correspondent of the Institute. With 148 Illustrations. $1.75. 46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN THE FORMATION OF ARTICULATE SOUNDS. By GH VON MBYER, Professor in Ordinary of Anatomy at the University of Zurich.
Pagina ii - THE SENSES, INSTINCTS, AND INTELLIGENCE OF ANIMALS, WITH SPECIAL REFERENCE TO INSECTS. By Sir JOHN LUBBOCK.